pic: Team 1388: Loosing weight

[Mike Hendricks]

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[DjAlamose]

Wow looks great! Now try doing that to about 30-40 gears on the entire robot, I know we had to. Drilling holes in them also helps. But I wonder.. is this for your drive train or something else...

[Greg Perkins]

Originally Posted by DjAlamose

Wow looks great! Now try doing that to about 30-40 gears on the entire robot, I know we had to. Drilling holes in them also helps. But I wonder.. is this for your drive train or something else...

Do I dare ask why you have 30-40 gears??? I mean how many transmissions do you have?????? I remember we had a 100 tooth x .5" wide gear on our 2002 robot that started at about 15 pounds and finished about 5 pounds. But I seriously don't know why you would need 30-40.

[Ben Piecuch]

Wow! That's a very thin wall section over the key. For an arm application, I would be cringing over it. For kit drive, I'd think it's borderline. We did the same think with the kit tranny last year, and it easily saved 2+ lbs per side.

However, I'll point you to a pic of our robot (or a part of our robot) after a slew of competitions. Beware of those thin walls!

228's shattered arm gear

Best of luck!

BEN

[DjAlamose]

Originally Posted by Greg Perkins

Do I dare ask why you have 30-40 gears??? I mean how many transmissions do you have?????? I remember we had a 100 tooth x .5" wide gear on our 2002 robot that started at about 15 pounds and finished about 5 pounds. But I seriously don't know why you would need 30-40.

Soon enough, soon enough. But I may have been exaggerating, I think it’s more towards 30 than 40, but we definitely have that many on the entire robot not just the drive base. This year we actually have allot of moving parts but everything should go fine.

[Lil' Lavery]

Custom transmissions, such as 116's old transmission (http://www.chiefdelphi.com/forums/pa...le&paperid=205) often have 10+ gears in them alone. Combined with any gearing (or sprocketing more likely) that happens after the transmission, on arms, etc, it is quite likey to hit 30 gears/sprokets on a robot, if not more. I mean, just look at 118's 2005 bot, "Chainzilla".